Lincoln Electric SVM161-A Welding System User Manual


 
RV1
RV2
FIGURE F.26 – MAIN IGBT BOARD LEAD REMOVAL
INPUT FILTER BOARD REMOVAL AND REPLACEMENT (continued)
Observe static precautions detailed in PC Board
Troubleshooting Procedures at the beginning of
this section.
7. Clean RTV off of the top of the input filter board
mounting slides.
8. Release the board by simply pressing the two
metal buttons at the ends of the board with your
thumbs. Depressing these buttons will free the
plastic lock pins that prevent the P.C. board
from sliding upward.
9. Remove and replace the input filter board.
10. Slide the new input filter board into its proper
position on the mounting slides.
11. Push on backside of mounting pins to ensure
that the P.C. board is secured in its proper posi-
tion.
12. Reconnect all previously removed leads to
their proper locations. See Wiring Diagram if
necessary.
13. Replace case wraparound assembly.
TROUBLESHOOTING AND REPAIR
F-51 F-51
INVERTEC® V205-T AC/DC™
CAUTION
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